== sanity test 124b: lru resize (performance test) ================================================================================= 16:04:30 (1789070670)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 975 (time 1789070684.15 total 10.00 last 97.49)
 - open/close 1784 (time 1789070694.15 total 20.00 last 80.87)
 - open/close 2716 (time 1789070704.16 total 30.01 last 93.12)
 - open/close 3577 (time 1789070714.18 total 40.03 last 85.92)
 - open/close 4512 (time 1789070724.19 total 50.04 last 93.41)
 - open/close 5355 (time 1789070734.20 total 60.05 last 84.24)
 - open/close 6125 (time 1789070744.20 total 70.05 last 76.99)
 - open/close 6874 (time 1789070754.21 total 80.06 last 74.84)
 - open/close 7719 (time 1789070764.21 total 90.06 last 84.49)
total: 8000 open/close in 93.75 seconds: 85.34 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 163 seconds
lru_size = 400
 - unlinked 0 (time 1789070941 ; total 0 ; last 0)
total: 8000 unlinks in 103 seconds: 77.669907 unlinks/second
 - open/close 667 (time 1789071059.77 total 10.00 last 66.70)
 - open/close 1356 (time 1789071069.78 total 20.01 last 68.84)
 - open/close 2241 (time 1789071079.79 total 30.02 last 88.43)
 - open/close 3125 (time 1789071089.79 total 40.03 last 88.33)
 - open/close 3952 (time 1789071099.80 total 50.03 last 82.68)
 - open/close 4850 (time 1789071109.80 total 60.04 last 89.74)
 - open/close 5711 (time 1789071119.81 total 70.04 last 86.06)
 - open/close 6628 (time 1789071129.81 total 80.04 last 91.66)
 - open/close 7558 (time 1789071139.82 total 90.05 last 92.92)
total: 8000 open/close in 95.38 seconds: 83.88 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 87 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1789071256 ; total 0 ; last 0)
total: 8000 unlinks in 77 seconds: 103.896103 unlinks/second